<!DOCTYPE html>
<html>
<title>View transitions: view-transition-name non-none value is a backdrop filter root (ref)</title>
<link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/">
<link rel="author" href="mailto:vmpstr@chromium.org">

<style>
.background {
  background: cyan;
  width: 200px;
  height: 200px;
}
.shared {
  background: blue;
  position: relative;
  left: 50px;
  top: 50px;
  width: 100px;
  height: 100px;
  will-change: opacity;
}
.filter {
  backdrop-filter: invert(1);
  position: relative;
  left: -50px;
  top: 30px;
  width: 200px;
  height: 40px;
}
</style>

<div class=background>
  <div class=shared>
    <div class=filter></div>
  </div>
</div>

